Question 533066
A quadratic equation in standard form is:  {{{ ax^2+bx+c=0 }}} 
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You provided only an expression, so I assume your equation was:
2(x-3)(x-3) +1 = 0
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Multiply the first (x-3) by the constant 2.
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(2x-6)(x-3) +1 = 0
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Now use FOIL.
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(2x^2 -6x -6x - 18) +1 = 0
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Collect terms.
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2x^2 -12x -17 = 0
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That's it.